20444025995 has 16 divisors (see below), whose sum is σ = 25123633920. Its totient is φ = 15961966944.

The previous prime is 20444025947. The next prime is 20444025997. The reversal of 20444025995 is 59952044402.

It is a cyclic number.

It is not a de Polignac number, because 20444025995 - 2¹⁰ = 20444024971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20444025997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232922 + ... + 308448.

It is an arithmetic number, because the mean of its divisors is an integer number (1570227120).

Almost surely, 2^20444025995 is an apocalyptic number.

20444025995 is a deficient number, since it is larger than the sum of its proper divisors (4679607925).

20444025995 is a wasteful number, since it uses less digits than its factorization.

20444025995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76834.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 20444025995 in words is "twenty billion, four hundred forty-four million, twenty-five thousand, nine hundred ninety-five".